24886780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{20399}}^1$

素因数の和:20469

約数の個数: 24

約数和(自身を含む): 53121600

約数和(自身を除く): 28234820

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 20399, 40798, 81596, 101995, 203990, 407980, 1244339, 2488678, 4977356, 6221695, 12443390, 24886780]

約数ペア:

[(1, 24886780), (2, 12443390), (4, 6221695), (5, 4977356), (10, 2488678), (20, 1244339), (61, 407980), (122, 203990), (244, 101995), (305, 81596), (610, 40798), (1220, 20399)]